13 results
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... year-old woman with left ... hand weakness, left ... it possible to differentiate ... #Evolution #MRI
Schematic examples of the cause of acute mitral regurgitation. 
LV, left ventricle; PM, papillary mucle; SAM,
LV, left ventricle ... Regurgitation #MR ... Causes #Acute #Differential
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Paradoxical: Right to Left ... attributable to acute MI ... TTE, TEE, CT or MRI ... Embolism #diagnosis #differential
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Regurgitation (MR ... annular plane into left ... MR occurs because ... AF results in MR ... Primary #Functional #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... pneumonia (PJP), MAI ... mucosal ulcers, erythema ... nodosum or erythema ... AIDS #pulmonary #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... ) • Synaptic Cleft ... EMG) studies • MRI ... #Weakness #Differential
Examination revealed exudative tonsillitis (Panel A), strawberry tongue, and cervical adenopathy with tenderness. Skin examination revealed
diffuse blanching erythema ... Panel B shows the left ... StrepPyogenes #NEJM
Cutaneous Actinomycosis - the left knee was noted to have edema, erythema, hyperpigmentation, hyperkeratinization, and several
Actinomycosis - the left ... to have edema, erythema ... SplendoreHoeppli #Microscopy #NEJM
Giant Thrombosed Intracranial Aneurysm - Computed tomography (CT) performed without the administration of contrast material revealed
revealed a large left ... Radiology #Neuro #CT #MRI ... Intracranial #Aneurysm #NEJM
Perirenal Extramedullary Hematopoiesis - Magnetic resonance imaging of the abdomen, performed without the administration of contrast
obtained from the left ... Pathology #Honc #MRI ... ExtramedullaryHematopoiesis #Microscopy #NEJM